Method reenterAltScreen

src/ink/ink.tsx:1109–1116

* Re-enter alt-screen, home the cursor, re-enable mouse tracking, and * queue a full repaint for the next frame. Self-heal for * SIGCONT, resize, and stdin-gap/event-loop-stall (sleep/wake) — any of * which can leave the terminal in main-screen mode while altScreenActive * stays true. EN

()

   * stays true. ENTER_ALT_SCREEN is a terminal-side no-op if already in alt.
   */
  private reenterAltScreen(): void {
    const recoveryMode = getAltScreenRecoveryRepaintMode(
      SYNC_OUTPUT_SUPPORTED,
    );
    this.options.stdout.write(ENTER_ALT_SCREEN + CURSOR_HOME + (this.altScreenMouseTracking ? ENABLE_MOUSE_TRACKING : ''));
    this.resetFramesForAltScreen();
    this.altScreenPendingRepaintMode = recoveryMode;
  }

  /**
   * Seed prev/back frames with full-size BLANK screens (rows×cols of empty